A new fully biodegradable plastic from tomato skin

di Chiara Catgiu

A new fully sustainable and biodegradable plastic has been obtained from the tomato peel and it has been discovered starting from different projects and collaborations.

The EU-funded BIOPROTO (Bioplastic production from tomato peel residues) project main objective is in fact the fabrication of bio-plastics from the tomato fruit peel residues. They are an abundant and inexpensive waste from processing tomato industries rich in polysaccharides (chiefly cellulose, pectin and hemicelluloses) and lipids (soluble waxes and a non-soluble long- chain biopolyester named cutin). Specifically, the project is focused on the bio-mimicry of the plant cuticle that is the protective and outermost membrane that covers the plant epidermis of parts of plant organs exposed to air.

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Materials for the Circular Economy

di Chiara Catgiu

A linear economy, that extracts resources at increasing rates, according to the principles of take-make-dispose, without consideration of the environment in which it operates, cannot continue indefinitely. The concept of a circular economy promises a way out. Here products do not quickly become waste, but they are reused to extract their maximum value before safely and productively returning to the biosphere.1

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